155446228479103 has 2 divisors, whose sum is σ = 155446228479104. Its totient is φ = 155446228479102.

The previous prime is 155446228479053. The next prime is 155446228479127. The reversal of 155446228479103 is 301974822644551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155446228479103 - 2⁹ = 155446228478591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155446228479173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77723114239551 + 77723114239552.

It is an arithmetic number, because the mean of its divisors is an integer number (77723114239552).

It is a 1-persistent number, because it is pandigital, but 2⋅155446228479103 = 310892456958206 is not.

Almost surely, 2^{155446228479103} is an apocalyptic number.

155446228479103 is a deficient number, since it is larger than the sum of its proper divisors (1).

155446228479103 is an equidigital number, since it uses as much as digits as its factorization.

155446228479103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58060800, while the sum is 61.

The spelling of 155446228479103 in words is "one hundred fifty-five trillion, four hundred forty-six billion, two hundred twenty-eight million, four hundred seventy-nine thousand, one hundred three".